11.
<ul><li>Internet acess is readily available </li></ul><ul><li>Opposed to using an ordinary phony </li></ul><ul><li>The user will be forced to disconnect from the network </li></ul>Advantages: Disadvantages

12.
<ul><li>In this technology you would not need multiple devices(telephones , fax machine ,PCs) to receive message. You would not even need multiple software . VoIP is an emerging area .developments will happening at a fast phone). </li></ul>Conclusion